import math
from Circle import Circle


def main():
    circle1 = Circle()
    print("这个以半径为",circle1.radius,"的圆面积为：",circle1.getArea())
    circle1 = Circle(25)
    print("这个以半径为", circle1.radius, "的圆面积为：", circle1.getArea())
    circle1 = Circle(125)
    print("这个以半径为", circle1.radius, "的圆面积为：", circle1.getArea())
    circle1 = Circle(100)
    print("这个以半径为", circle1.radius, "的圆面积为：", circle1.getArea())

main()